Flora of North America species comparison

erect or ascending, (0–)1–12+ cm underground, villous.

mostly prostrate with upturned tips, strigose, strigulose, pilose, pilosulous, villous, or subtomentose.

(2–)3–12 cm;

stipules distinct, subterranean ones often fully amplexicaul but distinct, 7–15 mm, foliose at distal nodes;

leaflets (5–)7–13(–15), blades elliptic, oblong or lanceolate-elliptic, 10–30(–35) mm, pinnately veined, apex obtuse to rounded, surfaces sparsely villosulous or villous abaxially, glabrous adaxially.

1–6(–7.5) cm;

stipules 1.5–10(–11) mm, submembranous becoming scarious;

leaflets (5–)9–17(or 19), blades elliptic to oblong or oblanceolate to obovate, (2–)3–17(–19) mm, apex acute or obtuse, surfaces strigose, sometimes glabrate or glabrous adaxially.

appearing subumbellate, loosely 5–11-flowered;

axis 1–5 cm in fruit;

bracts (1.5–)2.5–3.8 mm;

bracteoles 0.

3–30-flowered, flowers ascending;

axis 1–9(–13) cm in fruit;

bracts 1.5–7 mm;

bracteoles 0–2.

erect, 3–9.8 cm, usually longer than subtending leaf.

divaricate or incurved-ascending, 1–9 cm.

1.5–5 mm.

0.4–2.2 mm.

13–19 mm;

calyx campanulate to subcylindric, 7.5–8.8 mm, villosulous, tube 6.3–8 mm, lobes broadly triangular, 0.6–0.8 mm;

corolla yellowish with whitish margins, banner sometimes purple bordered white, keel 13.2–16 mm.

5.9–11.8 mm;

calyx 3.2–7.6(–8.8) mm, strigose, tube 2.1–4(–4.1) mm, lobes lanceolate-acuminate, filiform-setaceous, or subulate, (1–)1.2–4.5(–5) mm;

corolla greenish to ochroleucous or purple, banner often suffused, margined, or veined purplish, pink, or lilac-purple, sometimes wing tips whitish;

banner recurved through 50–85°;

keel 5.1–10 mm.

green becoming brown, ± straight, ovoid, inflated, 15–21 × 5.5–8 mm, papery-membranous, black-pilose, hairs to 0.5 mm;

stipe 5–7 mm, pubescent.

ascending to spreading, stramineous or brown, incurved, obliquely oblong-ellipsoid, lanceoloid-ellipsoid, ovoid, obovoid, linear-oblong, oblanceoloid, semi-ovoid, or semi-ellipsoid, compressed, 6–20 × 3.5–6.5 mm, thickly fleshy becoming leathery or papery, strigulose or villosulous.

6–10.

6–26.

= 16.